Assig



-W'. E. BEE

Max. 6, 1923.

TROLLEY Filed Dec.

Mar'. 6, 1923. V 1,447,169

w. E. BEE

TROLLEY l Filed Dec.. 5, 1921 2 sheen-sheet 2 Patented Mm.` 6, leas.

.was PATENT WILLIAM@ BERUF DETROIT; mui-ImamAssieme meantime-:BEE commi-X, GLF enamora,Mmmeaai'ee COBRO-Marmitek@MGHLGAN f- ,l meenam,

o all Miami?? may; 00m/'em -citizen of I'the States of America, A1jr-siding; Iat "Detroit, in the lcounty of' IN,Jl/*Layne vMld Starte f .,Miohigamhave invented certain new'and useful "Improvements in Trolleys, of Whichtheollowing is aspeciieaton, refeienoe' beingliafd therein to `the accompany,- jingdrawinge y y i l i *l n 'The 'nve'ntion relates to trolleys and refers particularly' gto "theoyerhead type olf trolley which 'travels upon an elevated'traek formed by 'the flanges of an vI-liearn` or the like. `Oneobject of the' lntio'n 's-the pro- Vision of ra simple' construction of'trolley '1 having butk few parts which maybe 'manufeatured at`=loW cost and readily assernfbled. Viththisfandxother objects in View, thein- "yetion resdes'inthe novel 4features of construction vand eombinations and arrange A,ments .of parts ae lmore iully "hereinafter "Inthefdrawngst f F'gure 51 is a zrontelevation `o" a 'trolleyvv emb'dying myinventn; M

Figure '2 is aside elevation thereof; Figures?) and 4 are -orossyseotions7 respectiVelyonlines 3 3 and ofFigure 1;'

y ,'Fi'gure 5"is` afront elevationjof alportion .e :of5 amniodl'lfied Construction of cross* bar jlfigure 6y y,is a front elevation of a portion yeof' amodified construction of trolley;

i Figureis aA side View, thereof;

v,liligfure is a Cross section' on th oihligure.-` i y N ,l isla trak` Which as sho-Wn 'in ythe pres- 4 ent instance;isjprmed bytliel'oyvertlanges 2 of an Ik-bearnL The trolley franiefcoin5k prises theside framesf' and@ which are substantially 4triangular lin elevation and Whiharelsuspendedfby means ,of the traeL lilou .Wheelsjtrayelling 'upon the flanges 2 *forming the traolr and'.jou'irialled upon the .studs 6 extendingktijansversely inward tronir the sideffranies-neartheirupper'ends. Tief Y y y :tension Vrods engage` in` the' upper aplces of A a oross; 'bar i eXtenfdinglbetiyeen .side

frames '3 and' 4' and' providedwith a central lbearings y9 Whicli are rounded/and Kabuttle downwardly -facing rounded :bearings :1 0 at the `lower ends 4of the side framee 3 land ,/l.

*To secure the eross'barto ythe side A:fr alnes tliere are shell-shaped tension nodsl-l which 'embrace the cross loar-V 7, passing through upwardly extending slots ftherei, and are secured at `their ends to the side"ifrainesfloy ythe nuts 12 resting upon thevupper .edges of the" side trames. These tension rods form ythe sole connection between the side `frenan-es sind the cross bar land place the side 'frames under Compression. 'To vperrnit ofirocking nioi'feinen't ot the eross'bar 4relative'to ythe side lftrainee' `the bearings 13 upon thefeross 'bar, engaged 'by vthe bases of'theU-Shaped 'tension rods, are" in .horizontal alignrielit with the ,bearings "9 n and are preferably rounded in direction tr`a.nsve`rsetolgthe cross bar. A

To prevent inward swinging of vthe sideV iranes relative to thejcrossbarand"about provided eachl of the trolleyframes `4with the web 14 which abfuts the upper edge of` the cross'barlabove the-floearinfgs'v 13 and also preferably ylongitudinally inward beyond thispoin'tvv y To-linut the amount ofrocking move-,

ment of the cross bar relative Lto the side frames,l each of the flatter has Ithe upwardly diverging Wmgs'l `Wllileh embraee lthat portion oiithe end ,of the' crossllar ahoy-fe shown in Figure 55 tliejeross -ba-'r l1G-l lis of tlieysame general constructlon asV the --eross filial?? with tlie",ez4ception that the opening il? engaged in loyfjthe load carrying hook :is-'triangular 1n elia-peso thatthe U-shaped tliisopening.

Construction ofvFigures- G,

In the modified 7 and 8, the `trolley isoffthe adjustable type Lin which the eide: frames are adjustable i"lon-l iaifertlie frames and'ayclevis'fforihe Y offset from the bearings 20, the downwardly between and alsothe clevis.

facing bearings 23 for engagement with the U-shaped tension rods2ll, forming the sole connection between the side iframes and the erossbar. The bearings 2O and 23 are however, ogreater length longitudinally of the cross bar vto permit of movement of the side frames with the U-shaped tension rods longitudinally of the cross bar. Each side frame has on i its inner side the bearing portion 25 for abutting the upper edge of the cross barlongitudinally inward beyond the point above the bearing 23 to thereby prevent inward rocking movement of the side frame relative to the cross bar. Furthermore,'each side frame hasthe depending side flanges 26 which embrace the upper portion of the'crossbar andv permit of limited rocking movement thereof relative to the side frames. The downwardly facing bearing 21 is upon an end portion 27 of each side frame connecting the depending side flanges 26 at their` outer ends. To adjust each side frame with its U-sliaped tension rod longitudinally upon the cross bar, there is the threaded member 28 thread'edly engagingthe end 27 and having its head 29 located in a T-slot SO'in the end portion of the cross bar above the bearing 20. Vith ythis arrangement, rota-tion ,of the threaded .member 28 moves the side frame and with itthe U-sha-ped tension rod, the lower end .of `which latter engages ink recesses in the depending side flanges 26.

From the above description it will be seen that! I havey provided a very simple construction of trolley having but few parts which may be manufactured at low cost and easily assembled. The cross bar between the side frames forms a tie connection there- Also the U- shaped tension rodsvv form the soleconnec- .tion between the side frames and the cross bar and place the side frames under com pression. Further, l: have provided an arrangement which permits of limited rocking movement of the cross bar relative to the side. frames so that the load upon the traction wheels is equalized and which permits of adjusting the' side Jframes toward and away from each other so that the trolley may iit diiferent sized tracks.

What I claim as my invention is:

1. InY a'trolley, thefcombination with a frame, of a load carrying member abutting said frame, and a tension member forming the sole load connection between said load carrying member and frame and placing the said frame under compression.

2. In a trolley, the combination with a suspended frame, of a rockable load carrying member having substantially horizontally-aligned bearings, one or said bearings engaging.V said load carrying member, and atensionmember" enga-'ging the other oi ysaid bearings and forming the sole load connection between said load carrying member and frame, I 4,

3. ln a trolley, the combination with a iframe havingy a traction member secured thereto near its upper edge and to'one lside thereof, of a load carrying member abutting said frame, a tension member ,engaging said load carryingmember at one side of the point oi engagementof said load carrying member and frame and forming kthe sole loadk connection between said load carrying member and frame, and means .uponsaid frame adapted to abut said load carryingv member on the side of the point yof engagement of said tension member and load carrying member opposite to the point of engagement of said frame and load carrying member, whereby rotation of said frame about the point of engagement of said tension member with said load carrying member as a pivot is prevented.

4s In .a trolley, the combination with a frame, of a rockable load carrying lmember abuttingV said frame, a tension member forming the sole load connection between said load carrying member' .and frame,and cooperating means upon said lfame and-load. carrying member. for limiting the rocking movement of said load carrying member relative to said frame.

5. In a trolley, .thecombination wfth a pair of suspended side frames, of a cross-bar extending therebetween and having upwardly facing bearings at its ends orabutting said side iframes and downwardly facing bearings in `substantial horizontal alignment with said upwardly facing bearings,y and U- shaped tensionl rods engaging said downwa-rdly` facing bearings and forming the sole load connections between saidcross bar and side trames, the bases ,of said U-shaped members constituting bea-rings for said cross bar. v i 4 6. In a trolley,l the combination with a pair of side iframes, of a cross bar abutting said side frames, tension members Jiorming the sole load connections between said cross bar and side framesl and placing said side -frames under compression, and means for adjusting saidk side frames longitudinally of said cross bar.' f l 7. Ina trolley, the combination withl a pair of suspended side frames, of a cross members connecting said rock bar to said,

side frames, the `bases oi" said fU-shaped members passing through longitudinally extending elongated openings insad orossbar and forming bearings engageable withsaid cross bar in substantial horizontal alignfment with said first-mentioned.bearings, l

and means engaging said side frames and 10 cross bar for adjusting said side frames ywith said tension members longitudinally of said cross bar.

In testimony whereof I ax my signature.

WILLIAM E. BEE. 

